| 年份 | 乍得 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 100.1 |
| 2020 | 103.5 |
| 2019 | 107 |
| 2018 | 110.7 |
| 2017 | 114.4 |
| 2016 | 118 |
| 2015 | 121.7 |
| 2014 | 125.3 |
| 2013 | 128.8 |
| 2012 | 132.3 |
| 2011 | 136 |
| 2010 | 139.9 |
| 2009 | 143.9 |
| 2008 | 147.8 |
| 2007 | 151.5 |
| 2006 | 155.2 |
| 2005 | 158.5 |
| 2004 | 161.8 |
| 2003 | 165.1 |
| 2002 | 168.5 |
| 2001 | 171.8 |
| 2000 | 175.2 |
| 1999 | 178.5 |
| 1998 | 181.6 |
| 1997 | 184.6 |
| 1996 | 187.3 |
| 1995 | 189.6 |
| 1994 | 191.8 |
| 1993 | 194.1 |
| 1992 | 196.5 |
| 1991 | 199.1 |
| 1990 | 201.8 |
| 1989 | 204.6 |
| 1988 | 207.2 |
| 1987 | 210.3 |
| 1986 | 213.3 |
| 1985 | 216.2 |
| 1984 | 219.1 |
| 1983 | 221.9 |
| 1982 | 224.6 |
| 1981 | 227.2 |
| 1980 | 229.5 |
| 1979 | 231.6 |
| 1978 | 233.4 |
| 1977 | 234.9 |
| 1976 | 236.4 |
| 1975 | 238 |
| 1974 | 239.4 |
| 1973 | 240.9 |
| 1972 | 242.6 |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |